A couple mounths ago I got a small flock of four chickens to add to my flock the flock I received contained two road island reds and two golden commits there all healthy but my comments don't have any feathers around there tails it's completely balled and they haven't grown back do you guys have any suggestions?
and Welcome To BYC! It sounds like they were either feather plucked by other hens, or had pretty bad rooster damage... like 1muttsfan said, they probably won't regrow new feathers until they go through a molt, which will probably be this fall... you might want to watch them for awhile to be sure the RIR aren't plucking feathers off of the Comets.